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  • MPEC 2021-F42 : 2021 FT

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    M.P.E.C. 2021-F42                                Issued 2021 March 20, 01:31 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                     2021 FT                                 
    
    
    Observations:
         K21F00T* C2021 03 19.26790909 40 51.06 +17 38 10.6          21.44GVEF042G96
         K21F00T  C2021 03 19.27306209 40 51.26 +17 38 24.6          21.43GVEF042G96
         K21F00T  C2021 03 19.27823809 40 51.46 +17 38 39.0          21.41GVEF042G96
         K21F00T KC2021 03 19.36227709 40 55.88 +17 42 25.7          22.06GVEF042I52
         K21F00T KC2021 03 19.36563709 40 56.13 +17 42 34.8          21.27GVEF042I52
         K21F00T 1C2021 03 19.93336 09 42 08.51 +18 10 14.1          21.3 VVEF042033
         K21F00T 1C2021 03 19.93695 09 42 08.69 +18 10 25.4          21.9 VVEF042033
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
        f/3 Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers E. J. Christensen, G.
        A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
        Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
        Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
        Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
        Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
        reflector + CCD.
    
    Orbital elements:
    2021 FT                                                  Earth MOID = 0.0107 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
    M 294.98343              (2000.0)            P               Q                  
    n   0.53812064     Peri.   37.66504     -0.87425389     +0.48545060             
    a   1.4969810      Node   171.37387     -0.45197605     -0.81073087             
    e   0.3362880      Incl.    1.61425     -0.17719421     -0.32718981             
    P   1.83           H   26.92          G   0.15           U   9                  
    Residuals in seconds of arc
    210319 G96  0.2+  0.1+    210319 I52  0.2-  0.1-    210319 033  0.5-  0.2+
    210319 G96  0.0+  0.1-    210319 I52  0.2+  0.1+
    210319 G96  0.2-  0.0-    210319 033  0.5+  0.2-
    
    Ephemeris:
    2021 FT                  a,e,i = 1.50, 0.34, 2                   q = 0.9936
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 18    09 39 23.1 +09 02 51   0.1516  1.1389   173.0     6.0    23.6
    ...
    2021 03 05    09 33 53.6 +11 25 14   0.09308 1.0784   157.5    20.6    22.9
    ...
    2021 03 13    09 34 31.8 +14 00 06   0.06618 1.0512   149.0    29.1    22.4
    ...
    2021 03 19    09 40 26.0 +17 26 24   0.04724 1.0337   143.2    35.3    21.8
    2021 03 20    09 42 19.6 +18 15 29   0.04417 1.0311   142.3    36.2    21.7
    2021 03 21    09 44 37.8 +19 11 06   0.04112 1.0285   141.4    37.2    21.6
    ...
    2021 03 27    10 16 16.5 +29 08 00   0.02354 1.0149   136.2    42.9    20.5
    ...
    2021 04 04    17 46 37.9 +46 11 26   0.01167 1.0016    97.1    82.2    20.1
    ...
    2021 04 19    20 42 05.3 +02 16 33   0.05109 0.9933    76.1   101.0    24.1
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F42
    


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